public class PartnerPO extends CommonPO implements PurchaseOrder {

	public PartnerPO(){
		super();
	}

	public PartnerPO(Long value1, String value2, Decimal value3){
		super(value1,value2,value3);
	}
	
    public void applyDiscount(){
		this.setAmount(this.getAmount() * .9);   	
    }
    
    public override void printObject(){
    	System.debug('PARTNER PO OBJECT - ' + getObjectStr());	
    }
}